19274018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 12477982

約数列:

[1, 2, 19, 38, 41, 82, 89, 139, 178, 278, 779, 1558, 1691, 2641, 3382, 3649, 5282, 5699, 7298, 11398, 12371, 24742, 69331, 108281, 138662, 216562, 235049, 470098, 507211, 1014422, 9637009, 19274018]

約数ペア:

[(1, 19274018), (2, 9637009), (19, 1014422), (38, 507211), (41, 470098), (82, 235049), (89, 216562), (139, 138662), (178, 108281), (278, 69331), (779, 24742), (1558, 12371), (1691, 11398), (2641, 7298), (3382, 5699), (3649, 5282)]